| Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069) |
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| 01/25/2000 | CA2129413C Method for positioning a work piece carrier member in a machining appar atus and a work piece carrier member adapted to be positioned in a machining apparatus |
| 01/19/2000 | EP0972603A2 Wire electric discharge machining apparatus, wire electric discharge machining method, and mold for extrusion |
| 01/19/2000 | CN2359035Y Taper device of linear cutting machine |
| 01/18/2000 | US6015961 EDM tool holder |
| 01/12/2000 | CN2357870Y Electrode wire cooling device for large-taper linear cutting machine |
| 01/12/2000 | CN2357869Y Large-taper large-thickness cutting equipment for linear cutting machine |
| 01/12/2000 | CN1240691A Connection device |
| 01/06/2000 | WO2000000323A1 Bed for machine tool |
| 01/05/2000 | EP0968789A2 Clutch mechanism |
| 01/05/2000 | DE19829955A1 Verbinder zur Verwendung in einer Kupplungsvorrichtung Connector for use in a coupling device |
| 01/05/2000 | CN2356799Y High-precision large taper wire frame for numerically controlled linear cutting machine |
| 01/05/2000 | CN2356798Y Five-shaft large taper wire frame for spark linear cutting machine |
| 01/05/2000 | CN1047977C Fixing device for tool and component |
| 01/04/2000 | US6011231 Electrode wire recovery system for electric discharge machine |
| 01/04/2000 | US6011230 Apparatus for holding an electrode for electrical erosion machines |
| 12/29/1999 | EP0966336A1 Method of electrochemical machining a workpiece |
| 12/28/1999 | US6008461 Wire electrode discharge machining apparatus |
| 12/28/1999 | US6007694 Programmably controlling electrochemical machine to provide selected output diameters along designated portions of wire |
| 12/28/1999 | US6006737 Device and method for cutting semiconductor-crystal bars |
| 12/15/1999 | EP0963272A1 Method for electroerosive machining of a work piece and a corresponding device |
| 12/15/1999 | CN2353477Y Constant tension device in selfrotating-type linear cutting machine machine tool |
| 12/02/1999 | WO1999061191A1 Wire electric discharge machine |
| 12/02/1999 | WO1999061190A1 Wire electric discharge machine |
| 12/01/1999 | CN2351232Y 便携式金属蚀刻机 Portable metal etching machine |
| 11/24/1999 | CN1236337A Porous electrode wire for electric discharge machine and its producing method |
| 11/23/1999 | CA2155777C Fastening device for a tool or workpiece |
| 11/18/1999 | WO1999058282A1 Electrode of green compact for discharge surface treatment, method of producing the same, method of discharge surface treatment, apparatus therefor, and method of recycling electrode of green compact for discharge surface treatment |
| 11/18/1999 | WO1999058281A1 Numeric control apparatus for wire electric spark machine |
| 11/18/1999 | WO1999058279A1 Method and apparatus for electrodischarge machining |
| 11/18/1999 | WO1999058278A1 Electric discharge machining control method and electric discharge machining controller |
| 11/18/1999 | WO1999058277A1 Device and method for positioning electric discharge machine |
| 11/18/1999 | WO1999051381A3 Method and arrangement for the electrochemical machining of a workpiece |
| 11/18/1999 | DE19921814A1 Method for producing an electrode wire for a spark erosion machine |
| 11/17/1999 | EP0803308B1 Wire cut electric discharge machining device |
| 11/16/1999 | US5984506 Method and device for controlling a machine tool, in particular, an electrical discharge machine |
| 11/10/1999 | EP0955396A1 Method and apparatus for making wire electrodes for electric discharge machining |
| 11/10/1999 | EP0764069B1 Contact for feeding current to a workpiece in electrochemical-working processes |
| 11/02/1999 | US5977503 Attachment device for electrical discharge machine |
| 11/02/1999 | US5976330 Device for electrochemically machining recesses |
| 10/26/1999 | US5973498 EDM with jump motion detecting reactive force |
| 10/26/1999 | US5973288 Method and apparatus for controlling spark erosion process |
| 10/26/1999 | US5972069 Sintering a powdery raw material to form rod, machining rod, heating at low temperature and pressurization within sealed non-oxidizing atmosphere to compact material into filament |
| 10/21/1999 | DE19916869A1 Method and apparatus for machining workpieces by electric discharge |
| 10/21/1999 | DE19915067A1 Electric discharge device for creating hole through workpiece |
| 10/20/1999 | EP0519028B1 Device for cleansing the machining fluid for a spark-erosion or electrochemical processing machine |
| 10/19/1999 | US5966975 Method and device for zinc plating a spark erosion wire, and wire obtained in this way |
| 10/14/1999 | WO1999051381A2 Method and arrangement for the electrochemical machining of a workpiece |
| 10/07/1999 | WO1999050017A1 Electrodischarge machining power supply with protection circuit for switching element |
| 10/06/1999 | CN2342513Y Multipurpose power source |
| 09/28/1999 | US5959865 Method and apparatus for controlling an electroerosive machine |
| 09/28/1999 | US5958260 Eye mold device for calibrating the electrode of an electrical machining apparatus |
| 09/16/1999 | DE19911095A1 Low cost electric discharge machining electrode wire for increased machining speed |
| 09/15/1999 | CN2338122Y Taper device for wire-cutting machine |
| 09/14/1999 | US5951884 Electric discharge machining method and apparatus |
| 09/14/1999 | US5951883 Floating cover electrode guide system for electric discharge machining |
| 09/10/1999 | WO1999044779A1 Wire-cut electric spark machining apparatus and method |
| 09/09/1999 | DE19839093A1 Spark erosion machine with a wire electrode |
| 09/08/1999 | EP0940211A1 Method of judging coreless machining shape, apparatus therefor, and computer-readable recording medium stored with programs for judging coreless machining shape |
| 09/01/1999 | EP0939356A2 Machining sequence determining method and apparatus for wire-cut electric discharge machining, and computer readable medium storing a machining sequence determining program |
| 09/01/1999 | CN1227149A Method for processing using beam of magnetic line of force and apparatus and carriage member |
| 08/31/1999 | US5945010 Electrode wire for use in electric discharge machining and process for preparing same |
| 08/31/1999 | US5945009 Apparatus for processing workpieces by spark erosion |
| 08/25/1999 | EP0794027B1 Electric discharge machining apparatus and electric discharge machining method |
| 08/18/1999 | EP0936017A2 Arm seal for wire electric discharge machining apparatus |
| 08/18/1999 | CN1225860A Large-taper large-thickness cutting apparatus for linear cutting machine tool |
| 08/17/1999 | US5940301 Process and device for controlling a machine tool in particular, and EDM machine |
| 08/17/1999 | US5939650 Method for determining suitability of fluid |
| 08/12/1999 | WO1999039859A1 Wire discharge machining apparatus |
| 08/11/1999 | EP0934791A2 Controller of wire electric discharge machine |
| 08/10/1999 | US5935460 Method of performing high-efficiency machining by high-density radical reaction using a rotating electrode, device for performing the method and the rotating electrode used therefor |
| 08/10/1999 | US5935457 Machining fluid processing apparatus for electric discharge machine |
| 08/10/1999 | US5935456 Method and apparatus for electroerosive cutting |
| 08/04/1999 | EP0824389B1 Device for use in electrical discharge machining of work pieces |
| 07/27/1999 | US5928530 Spark erosion electrode wire structure, method of manufacturing it, and application to spark erosion |
| 07/21/1999 | EP0930131A1 Method of manufacturing porous electrode wire for electric discharge machining and structure of the electrode wire |
| 07/15/1999 | WO1999034949A1 Method of electrochemical machining a workpiece |
| 07/14/1999 | CN1222425A Electrical discharge machining apparatus and method |
| 07/13/1999 | US5922220 Method and apparatus for electroerosive cutting |
| 07/13/1999 | US5922187 Method for controlling an electroerosion machine |
| 07/08/1999 | WO1999033601A1 Edm tool holder |
| 07/06/1999 | US5919381 Bipolar electrical discharge machine which detects misfire |
| 07/06/1999 | US5919380 Three-dimensional electrical discharge machining method and apparatus utilizing NC control |
| 07/01/1999 | WO1999032252A1 Wire electric discharge machine |
| 06/30/1999 | EP0925138A1 High-strength erosion electrode |
| 06/29/1999 | US5916457 Material to be welded for butt welding, methods of cutting as well as welding the same, and a wire |
| 06/22/1999 | US5914883 Method for controlling a machine tool, in particular an EDM machine |
| 06/22/1999 | US5914054 Electrical discharge machine with a handling robot |
| 06/17/1999 | WO1999029461A1 Tool holding system |
| 06/17/1999 | WO1999029460A1 Method for electroerosive machining of a work piece and a corresponding device |
| 06/17/1999 | WO1999029459A1 Electrical discharge machine |
| 06/17/1999 | WO1999029458A1 Wire cut electric discharge machining apparatus and control method therefor |
| 06/16/1999 | CN1219899A High-strength erosion electrode |
| 06/15/1999 | US5911888 Structure for EDM machine |
| 06/09/1999 | EP0920945A2 Wire discharge machining control device with taper machining correction feature |
| 06/09/1999 | EP0920944A2 Wire discharge machining control device with offset correction feature |
| 06/09/1999 | EP0920943A2 Method an apparatus for electroerosion finish machining |
| 06/08/1999 | US5909882 Pneumatic driven automatic chuck |
| 06/03/1999 | WO1999026751A1 Wire electric discharge machine |
| 06/02/1999 | EP0680801B1 Working liquid detecting apparatus, for wire-cut electric discharge machines |
| 06/01/1999 | US5908563 Side bore electrode retention device for electric discharge machining |